Re-layout source code to correct namespaces (handlers, commands, etc.)

wolverine/a-frame-architecture/FinancialApi.Application.UnitTests/ApplyFeeHandlerTests.cs

@@ -1,4 +1,7 @@
-using FinancialApi.Domain;
+using System.Security.Cryptography;
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Handlers;
+using FinancialApi.Domain;
 using FluentAssertions;
 using FluentAssertions.Execution;
 
@@ -12,19 +15,18 @@ public class ApplyFeeHandlerTests
         // Arrange
         var command = new ApplyFeeCommand(1, 100);
         var account = new Account(1, 100, "Debit");
-        var destAccount = new Account(99999, 100, "Credit");
-        var pair = new FeePair(account, destAccount, TimeProvider.System.GetUtcNow());
+        var revenueAccount = new Account(99999, 0, "Credit");
+        var pair = new FeePair(account, revenueAccount, TimeProvider.System.GetUtcNow());
 
         // Act
         var intents = ApplyFeeHandler.Handle(command, pair);
 
         // Assert
         using var _ = new AssertionScope();
-        intents.CustomerWrite.Entity.Balance.Should().Be(0);
-        intents.RevenueWrite.Entity.Balance.Should().Be(200);
-        intents.RevenueWrite.Entity.Balance.Should().Be(200);
-        intents.JournalWrite.Entity.Lines.Count.Should().Be(2);
+        intents.CustomerWrite.Entity.Balance.Should().Be(account.Balance - command.Amount);
+        intents.RevenueWrite.Entity.Balance.Should().Be(revenueAccount.Balance + command.Amount);
+        intents.JournalWrite.Entity.Lines.Count.Should().BeGreaterThanOrEqualTo(2);
         intents.Event.AccountId.Should().Be(account.Id);
-        intents.Event.Amount.Should().Be(100);
+        intents.Event.Amount.Should().Be(command.Amount);
     }
 }

wolverine/a-frame-architecture/FinancialApi.Application/Commands/ApplyFeeCommand.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Commands;
+
+public record ApplyFeeCommand(int AccountId, decimal Amount);

wolverine/a-frame-architecture/FinancialApi.Application/Commands/ReverseJournalCommand.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Commands;
+
+public record ReverseJournalCommand(Guid OriginalJournalId, string Reason);

wolverine/a-frame-architecture/FinancialApi.Application/Commands/TransferFundsCommand.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Commands;
+
+public abstract record TransferFundsCommand(int SourceAccountId, int DestinationAccountId, decimal Amount);

wolverine/a-frame-architecture/FinancialApi.Application/Events/FeeAppliedEvent.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Events;
+
+public record FeeAppliedEvent(int AccountId, decimal Amount);

wolverine/a-frame-architecture/FinancialApi.Application/Events/FundsTransferredEvent.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Events;
+
+public record FundsTransferredEvent(int SourceAccountId, int DestinationAccountId, decimal Amount);

wolverine/a-frame-architecture/FinancialApi.Application/Events/IEventTracker.cs

@@ -1,4 +1,4 @@
-namespace FinancialApi.Application;
+namespace FinancialApi.Application.Events;
 
 public interface IEventTracker
 {

wolverine/a-frame-architecture/FinancialApi.Application/Events/JournalReversedEvent.cs

@@ -0,0 +1,3 @@
+namespace FinancialApi.Application.Events;
+
+public record JournalReversedEvent(Guid OriginalJournalId, Guid ReversalJournalId);

wolverine/a-frame-architecture/FinancialApi.Application/FeePair.cs

@@ -0,0 +1,5 @@
+using FinancialApi.Domain;
+
+namespace FinancialApi.Application;
+
+public record FeePair(Account Source, Account Destination, DateTimeOffset TimeStamp);

wolverine/a-frame-architecture/FinancialApi.Application/Handlers/ApplyFeeHandler.cs

@@ -1,16 +1,10 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Events;
+using FinancialApi.Application.Queries;
 using FinancialApi.Domain;
 using Wolverine.Persistence;
 
-namespace FinancialApi.Application;
-
-public record ApplyFeeCommand(int AccountId, decimal Amount);
-
-public record FeeAppliedEvent(int AccountId, decimal Amount);
-
-public record FeePair(Account Source, Account Destination, DateTimeOffset TimeStamp);
+namespace FinancialApi.Application.Handlers;
 
 public static class ApplyFeeHandler
 {
@@ -41,11 +35,15 @@ public static class ApplyFeeHandler
     {
         var updatedSource = pair.Source.ApplyPosting(cmd.Amount, EntryType.Debit);
         var updatedRevenue = pair.Destination.ApplyPosting(cmd.Amount, EntryType.Credit);
+        var serviceFee = 0.5m;
+        
         var lines = new List<JournalLine>
         {
             new(updatedSource.Id, cmd.Amount, EntryType.Debit),
-            new(updatedRevenue.Id, cmd.Amount, EntryType.Credit)
+            new(updatedRevenue.Id, cmd.Amount - serviceFee, EntryType.Credit),
+            new(updatedRevenue.Id, serviceFee, EntryType.Credit)
         };
+        
         var journalEntry = BalancedJournal.Create(Guid.NewGuid(),
             $"Service Fee Applied: {cmd.Amount} to Account {cmd.AccountId}",
             pair.TimeStamp, lines);

wolverine/a-frame-architecture/FinancialApi.Application/Handlers/FinancialEventHandler.cs

@@ -1,6 +1,7 @@
+using FinancialApi.Application.Events;
 using Microsoft.Extensions.Logging;
 
-namespace FinancialApi.Application;
+namespace FinancialApi.Application.Handlers;
 
 public static class FinancialEventHandler
 {

wolverine/a-frame-architecture/FinancialApi.Application/Handlers/ReverseJournalHandler.cs

@@ -1,26 +1,16 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Events;
+using FinancialApi.Application.Queries;
 using FinancialApi.Domain;
 using Wolverine.Persistence;
 
-namespace FinancialApi.Application;
-
-public record ReverseJournalCommand(Guid OriginalJournalId, string Reason);
-
-public record JournalReversedEvent(Guid OriginalJournalId, Guid ReversalJournalId);
+namespace FinancialApi.Application.Handlers;
 
 public record ReversalData(
     JournalEntry OriginalJournalEntry,
     IReadOnlyList<Account> AffectedAccounts,
     DateTimeOffset TimeStamp);
 
-public interface IReversalQuery
-{
-    Task<ReversalData?> GetReversalDataAsync(Guid journalEntryId);
-}
-
 public static class ReverseJournalHandler
 {
     public static async Task<ReversalData?> LoadAsync(ReverseJournalCommand cmd, IReversalQuery query,
@@ -33,7 +23,8 @@ public static class ReverseJournalHandler
     public static (
         IStorageAction<JournalEntry> JournalWrite,
         UnitOfWork<Account> AccountWrites,
-        JournalReversedEvent Event) Handle(ReverseJournalCommand cmd, ReversalData data)
+        JournalReversedEvent Event)
+        Handle(ReverseJournalCommand cmd, ReversalData data)
     {
         var reversalJournal =
             BalancedJournal.CreateReversal(data.OriginalJournalEntry, $"Reversal: {cmd.Reason}", data.TimeStamp);

wolverine/a-frame-architecture/FinancialApi.Application/Handlers/TransferFundsHandler.cs

@@ -1,21 +1,10 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Events;
+using FinancialApi.Application.Queries;
 using FinancialApi.Domain;
 using Wolverine.Persistence;
 
-namespace FinancialApi.Application;
-
-public interface IAccountQuery
-{
-    Task<Account?> FindByIdAsync(int id);
-}
-
-public record TransferFundsCommand(int SourceAccountId, int DestinationAccountId, decimal Amount);
-
-public record FundsTransferredEvent(int SourceAccountId, int DestinationAccountId, decimal Amount);
-
-public record TransferPair(Account Source, Account Destination, DateTimeOffset TimeStamp);
+namespace FinancialApi.Application.Handlers;
 
 public static class TransferFundsHandler
 {

wolverine/a-frame-architecture/FinancialApi.Application/Queries/IAccountQuery.cs

@@ -0,0 +1,8 @@
+using FinancialApi.Domain;
+
+namespace FinancialApi.Application.Queries;
+
+public interface IAccountQuery
+{
+    Task<Account?> FindByIdAsync(int id);
+}

wolverine/a-frame-architecture/FinancialApi.Application/Queries/IReversalQuery.cs

@@ -0,0 +1,8 @@
+using FinancialApi.Application.Handlers;
+
+namespace FinancialApi.Application.Queries;
+
+public interface IReversalQuery
+{
+    Task<ReversalData?> GetReversalDataAsync(Guid journalEntryId);
+}

wolverine/a-frame-architecture/FinancialApi.Application/TransferPair.cs

@@ -0,0 +1,5 @@
+using FinancialApi.Domain;
+
+namespace FinancialApi.Application;
+
+public record TransferPair(Account Source, Account Destination, DateTimeOffset TimeStamp);

wolverine/a-frame-architecture/FinancialApi.Domain/Account.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace FinancialApi.Domain;
+namespace FinancialApi.Domain;
 
 public record Account(int Id, decimal Balance, string AccountType)
 {

wolverine/a-frame-architecture/FinancialApi.Domain/BalancedJournal.cs

@@ -1,7 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
 namespace FinancialApi.Domain;
 
 public record BalancedJournal

wolverine/a-frame-architecture/FinancialApi.Domain/JournalEntry.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace FinancialApi.Domain;
 
 public record JournalEntry

wolverine/a-frame-architecture/FinancialApi.Infrastructure/AccountQuery.cs

@@ -1,5 +1,4 @@
-using System.Threading.Tasks;
-using FinancialApi.Application;
+using FinancialApi.Application.Queries;
 using FinancialApi.Domain;
 using Microsoft.EntityFrameworkCore;
 

wolverine/a-frame-architecture/FinancialApi.Infrastructure/ReversalQuery.cs

@@ -1,7 +1,5 @@
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using FinancialApi.Application;
+using FinancialApi.Application.Handlers;
+using FinancialApi.Application.Queries;
 using Microsoft.EntityFrameworkCore;
 
 namespace FinancialApi.Infrastructure;

wolverine/a-frame-architecture/FinancialApi/DemoEventStore.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using FinancialApi.Application;
+using FinancialApi.Application.Events;
 
 namespace FinancialApi;
 

wolverine/a-frame-architecture/FinancialApi/DomainExceptionHandler.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Diagnostics;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 
 namespace FinancialApi;

wolverine/a-frame-architecture/FinancialApi/FinancialApi.http

@@ -1,8 +1,5 @@
 @FinancialApi_HostAddress = https://localhost:7010
 
-GET {{FinancialApi_HostAddress}}/weatherforecast/
-Accept: application/json
-
 ### Apply Fee to an Account
 
 POST {{FinancialApi_HostAddress}}/accounts/apply-fee
@@ -11,7 +8,7 @@ Content-Type: application/json
 
 {
   "accountId": 1,
-  "amount": 500.0
+  "amount": 50.0
 }
 
 ### Transfer Between Accounts
@@ -31,7 +28,7 @@ POST {{FinancialApi_HostAddress}}/journal/reverse
 Content-Type: application/json
 
 {
-  "originalJournalId": "1443B0FC-F679-4445-A910-CC333F0925B7",
+  "originalJournalId": "FD2BFD8E-7C85-4CAD-A12B-CCBCD7C12B4A",
   "reason": "Incorrect Account Fee"
 }
 

wolverine/a-frame-architecture/FinancialApi/Program.cs

@@ -1,13 +1,12 @@
 using FinancialApi;
-using FinancialApi.Application;
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Events;
+using FinancialApi.Application.Handlers;
+using FinancialApi.Application.Queries;
 using FinancialApi.Infrastructure;
 using FinancialApi.ServiceDefaults;
 using JasperFx.Resources;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Http;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
 using Wolverine;
 using Wolverine.EntityFrameworkCore;
 using Wolverine.Sqlite;
@@ -85,6 +84,7 @@ app.MapGet("/events", (IEventTracker tracker) =>
     {
         return Results.Ok(store.CapturedEvents);
     }
+
     return Results.NotFound();
 });